Lot (2) AV kupang [0,57; 0,60 gram]. Leyten #A 17a. EF.

AV kupang [0,51 gram]. Leyten #A 18 (see: Errata). Very rare. EF.

AV kupang [0,59 gram]. Leyten #A 26a. Rare. EF.

Lot (14) AV kupang [ca. 0,60 gram]. Some different varieties, average aEF. These coins may be of an unknown Sultan, but as the legend is not clearly legible, more likely result of contemporary counterfeiting by a rival Sultanate or traders. They seems to have mixed well into the local money circulation. See Leyten, p.183.